Not less than-95.0%
(2S,3aS,7aS)-1-[(2S)-2-aminopropanoyl]octahydro-1H-indole-2-carboxylate; (2S,3aS,7aS)-1-[(2S)-2-Aminopropanoyl]octahydro-1H-indole-2-carboxylic Acid; (2S,3aS,7aS)-1-(L-Alanyl)octahydro-1H-indole-2-carboxylic Acid